The man suspected of shooting the pipeline with a .338-caliber rifle, Daniel Carson Lewis, 37, was arraigned yesterday on charges of criminal mischief, driving while intoxicated, weapons misconduct and felony assault.

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The State Troopers had no motive for the shooting but said Lewis had been drinking. "It does not appear to be an act of terrorism," trooper spokesman Tim DeSpain said.

Lewis, who was being held on $1.5 million bail, was arrested Thursday, four hours after the leak was discovered.

A surveillance helicopter had spotted the spill about 75 miles north of Fairbanks. Oil under high pressure was spewing 75 feet across a road and into tundra and brush, said Tim Woolston, spokesman for the line's operator, Alyeska Pipeline Service Co.

Cleanup crews dug ditches and deep holes to capture the oil, which was being vacuumed into trucks.

Alyeska had increased surveillance along the pipeline, much of which runs through the wilderness, after the Sept. 11 terrorist attacks. The pipe is protected by a layer of galvanized steel and nearly four inches of insulation.

"It's a monumental task to protect every inch of that pipeline 24 hours a day," Woolston said.

The pipeline carries about 1 million barrels of oil a day, or 17 percent of domestic oil production. Oil companies on the North Slope were asked to cut production by 95 percent during the shutdown.

In 1978, about 670,000 gallons of oil spilled after a hole was blasted with explosives near Fairbanks. No one has been arrested in that case.

In 1999, a Canadian man was charged with plotting to blow up the pipeline in an attempt to drive up oil prices and reap a profit. He is fighting extradition to the United States.